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GATE 2023 AR — Architecture – Question 62

Building Services · Principles of electrification and illumination and special lighting for buildings · 2 marks · Multiple choice

Match P scotopic vision, Q presbyopia, R emmetropia, S photopic vision with 1 low-light rod vision, 2 bright-light cone vision, 3 myopia, 4 normal optical focusing, 5 age-related difficulty focusing near objects.

  1. P–1; Q–4; R–5; S–2
  2. P–4; Q–3; R–1; S–2
  3. P–1; Q–5; R–4; S–2
  4. P–4; Q–2; R–1; S–5

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Correct answer: (C) P–1; Q–5; R–4; S–2

Explanation

Scotopic vision is rod-mediated in low light; presbyopia reduces near accommodation with age; emmetropia is the normal refractive state; photopic vision is cone-mediated in brighter light. The sequence 1, 5, 4, 2 gives C.

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